Abbreviation of Piauí., a state of Brazil. / Initialism of Prison Industries (the prison-run work program for inmates) / (US, Philippines, historical, dated) Initialism of The Philippine Islands.

(informatics, SGML, XML) Initialism of processing instruction. / Initialism of partial induction (see AI) / Initialism of personal injury. / Initialism of politically incorrect (see PC)

plural of pi

present participle of pi

(historical) A county of Chengdu, Sichuan, China.

plural of PI

plural of PIE

Someone of European origin living in North Africa, especially Algeria, under French rule, particularly one who was repatriated to mainland France after Algerian independence.

Alternative spelling of pied-à-terre

plural of pied-a-terre